package com.kong.meirimall.product.config;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.cache.CacheProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.StringRedisSerializer;

@EnableConfigurationProperties(CacheProperties.class)
@Configuration
@EnableCaching
public class CacheConfig {
    @Autowired
    CacheProperties cacheProperties;
    @Bean
    RedisCacheConfiguration redisCacheConfiguration(CacheProperties cacheProperties){    // 自己配，不配则用默认的
        RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig();
        config = config.serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(new StringRedisSerializer()));
        config = config.serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(new GenericJackson2JsonRedisSerializer()));
        // 由于修改了默认的 RedisCacheConfiguration，必须让 配置文件中的配置都生效
        CacheProperties.Redis redisProperties = cacheProperties.getRedis();
        if(redisProperties.getTimeToLive() != null){
            config = config.entryTtl(redisProperties.getTimeToLive());
        }
        if(redisProperties.getKeyPrefix() != null){
            config = config.prefixKeysWith(redisProperties.getKeyPrefix());
        }
        if(!redisProperties.isCacheNullValues()){
            config = config.disableCachingNullValues();
        }
        if (!redisProperties.isUseKeyPrefix()){
            config = config.disableKeyPrefix();
        }
        return  config;
    }
}
